"Project NCDOT RP-2012-12."; Includes bibliographical references (pages 226-230).; Final report;; Performed by North Carolina State University, Department of Civil, Construction, and Environmental Engineering, sponsored by North Carolina Department...

"Printed 8/05"--P.[2].; "This guide is intended to be consistent with all existing OSHA and/or OSHNC standards. If an area is considered by the reader to be inconsistent with a standard, then the appropriate state or federal standard should be...

[Rev.]; "Revised 8/09"--P. [2] of cover.; "This edition of A guide to the OSHA excavation standard has been updated to include material as prepared by the Construction Education and Research Institute, Department of Civil Engineering at N.C. State...

[Rev.]; " ... prepared for the North Carolina Department of Labor by Eric L. Van Fleet, Omer Frank, and Joe Rosenbeck, members of the faculty of the Department of Safety and Science Technology at Central Missouri State University, Warrensburg,...

[Updated ed.]; "J. Edgar Geddie, reviewer"--P. [2] of cover.; "This edition ... has been updated as of September 2007"--P. [2] of cover.; "This guide is intended to be consistent with all existing OSHA standards; therefore, if an area is considered...